CVE-2026-115557

No fix known EPSS <1%CVSS 9.4

Python has added a denylist for known compromised certificates to the "ssl" module to ensure user safety even without certificate revocation configured. Known compromised certificates will automatically be rejected regardless of the SSLContext policy configuration.

Published 2026-10-24 · CVE record · OSV

Products: Python Software Foundation CPython

Distro releases